参考链接：Bilibili相簿下载(Bilibili Album Download)
下载Bilibili相簿
目录
1. 接口展示
2. 代码转载
3. 代码详细注释
4.总结
一、接口展示 ↶
api1:
https://api.vc.bilibili.com/link_draw/v1/doc/upload_count?uid=
+uid号
api2:
https://api.vc.bilibili.com/link_draw/v1/doc/doc_list?page_size=30&biz=all&uid=
+uid号
实例：
uid = 2080663
api1 = https://api.vc.bilibili.com/link_draw/v1/doc/upload_count?uid=2080663
api2 = https://api.vc.bilibili.com/link_draw/v1/doc/doc_list?page_size=30&biz=all&uid=2080663
二、代码转载 ↶
#encoding=utf-8
import
requests
,
os
,
sys
basicApiUrl
=
'https://api.vc.bilibili.com/link_draw/v1/doc/upload_count?uid='
apiUrl
=
'https://api.vc.bilibili.com/link_draw/v1/doc/doc_list?page_size=30&biz=all&uid='
# Get the amount of all draws
# If error return 0
def
getTotalDraw
(
bid
)
:
try
:
req
=
requests
.
get
(
basicApiUrl
+
bid
)
rspJson
=
req
.
json
(
)
except
:
return
0
if
(
'data'
in
rspJson
and
'all_count'
in
rspJson
[
'data'
]
)
:
return
int
(
rspJson
[
'data'
]
[
'all_count'
]
)
return
0
# Get the draw list, 30 draws in each page
def
downloadDrawList
(
bid
,
page
)
:
url
=
apiUrl
+
bid
# Add page num
url
=
url
+
'&page_num='
+
str
(
page
)
try
:
req
=
requests
.
get
(
url
,
timeout
=
5
)
rspJson
=
req
.
json
(
)
# Get all items in a range
items
=
rspJson
[
'data'
]
[
'items'
]
for
i
in
items
:
urls
=
{
}
did
=
str
(
i
[
'doc_id'
]
)
# Single item traversal
count
=
0
for
j
in
i
[
'pictures'
]
:
urls
[
count
]
=
j
[
'img_src'
]
count
+=
1
# Download
downloadDraw
(
bid
,
did
,
urls
)
except
Exception
as
e
:
print
(
e
)
pass
# Download draws
def
downloadDraw
(
bid
,
did
,
urls
)
:
count
=
0
for
i
in
range
(
len
(
urls
)
)
:
u
=
urls
[
i
]
try
:
# Get image format from url
suffix
=
u
.
split
(
"."
)
[
-
1
]
# File naming
## bid: Bilibili user id
## did: Draw id
fileName
=
did
+
'_b'
+
str
(
count
)
+
'.'
+
suffix
if
(
os
.
path
.
exists
(
'./'
+
bid
+
'/'
+
fileName
)
)
:
print
(
'Skipped '
+
did
+
' '
+
u
)
count
+=
1
continue
print
(
'Downloading '
+
did
+
' '
+
u
)
# Download single image
req
=
requests
.
get
(
u
,
timeout
=
20
)
# Create image file
with
open
(
'./'
+
bid
+
'/'
+
fileName
,
'wb'
)
as
f
:
f
.
write
(
req
.
content
)
except
Exception
as
e
:
print
(
e
)
print
(
'Fail to download: '
+
did
+
' '
+
u
)
count
+=
1
if
__name__
==
'__main__'
:
if
(
len
(
sys
.
argv
)
<
2
)
:
print
(
'Please enter the bilibili user id.'
)
sys
.
exit
(
0
)
bid
=
str
(
sys
.
argv
[
1
]
)
# Create drawer's directory
try
:
os
.
makedirs
(
'./'
+
bid
)
except
:
pass
totalDraw
=
getTotalDraw
(
bid
)
totalPage
=
int
(
totalDraw
/
30
)
+
1
if
totalDraw
%
30
!=
0
else
totalDraw
/
30
for
page
in
range
(
totalPage
)
:
downloadDrawList
(
bid
,
page
)
三、代码详细注释 ↶
#encoding=utf-8
import
requests
,
os
,
sys
#导入requests，os，sys模块
basicApiUrl
=
'https://api.vc.bilibili.com/link_draw/v1/doc/upload_count?uid='
#赋值操作
apiUrl
=
'https://api.vc.bilibili.com/link_draw/v1/doc/doc_list?page_size=30&biz=all&uid='
#同上
# Get the amount of all draws
# If error return 0
def
getTotalDraw
(
bid
)
:
try
:
req
=
requests
.
get
(
basicApiUrl
+
bid
)
#request请求，url链接为basicApiUrl+bid拼接后的url
rspJson
=
req
.
json
(
)
#json提取
except
:
return
0
if
(
'data'
in
rspJson
and
'all_count'
in
rspJson
[
'data'
]
)
:
#如果rspJson中有'data'键
return
int
(
rspJson
[
'data'
]
[
'all_count'
]
)
#并且rspJson['data']中有'all_count'键，则返回rspJson['data']['all_count']取整后的结果
return
0
#否则，返回0
# Get the draw list, 30 draws in each page
def
downloadDrawList
(
bid
,
page
)
:
url
=
apiUrl
+
bid
#拼接apiUrl和bid，赋值给url
# Add page num
url
=
url
+
'&page_num='
+
str
(
page
)
#继续对url进行拼接，加上'&page_num'和str(page)的结果，最后重新赋值给url
try
:
req
=
requests
.
get
(
url
,
timeout
=
5
)
#尝试请求拼接的url，超时设置为5秒，结果赋值给req
rspJson
=
req
.
json
(
)
#json提取，赋值给rspJson
# Get all items in a range
items
=
rspJson
[
'data'
]
[
'items'
]
#提取rspJson['data']['items']的内容，赋值给items
for
i
in
items
:
#遍历items
urls
=
{
}
#创建空字典，赋值给urls
did
=
str
(
i
[
'doc_id'
]
)
#提取i['doc_id']的内容，并对它进行字符串化操作，赋值给did
# Single item traversal
count
=
0
#给count赋值为0
for
j
in
i
[
'pictures'
]
:
#遍历i['pictures']
urls
[
count
]
=
j
[
'img_src'
]
#提取j['img_src']的内容，键值对应count和它的内容
count
+=
1
#count自加1
# Download
downloadDraw
(
bid
,
did
,
urls
)
#将bid，did，urls参数传入downloadDraw函数
except
Exception
as
e
:
#异常处理
print
(
e
)
#打印异常
pass
#略过
# Download draws
def
downloadDraw
(
bid
,
did
,
urls
)
:
count
=
0
#给count赋值为0
for
i
in
range
(
len
(
urls
)
)
:
#for循环，循环次数为len(urls)的长度
u
=
urls
[
i
]
#提取urls字典中的键i对应的值，并把值赋给u
try
:
# Get image format from url
suffix
=
u
.
split
(
"."
)
[
-
1
]
#对u进行split操作，取最后一个项，赋值给suffix
# File naming
## bid: Bilibili user id
## did: Draw id
fileName
=
did
+
'_b'
+
str
(
count
)
+
'.'
+
suffix
#拼接did、'-b'、str(count)、'.'和suffix，结果赋值给fileName
if
(
os
.
path
.
exists
(
'./'
+
bid
+
'/'
+
fileName
)
)
:
#如果'./bid/fileName'存在，就跳过，count自加1，并结束本次循环
print
(
'Skipped '
+
did
+
' '
+
u
)
count
+=
1
continue
print
(
'Downloading '
+
did
+
' '
+
u
)
#打印'Downloading'+did+' '+u的内容
# Download single image
req
=
requests
.
get
(
u
,
timeout
=
20
)
#request请求，url为u，超时设置为20s，结果赋值给req
# Create image file
with
open
(
'./'
+
bid
+
'/'
+
fileName
,
'wb'
)
as
f
:
#with上下文管理器，以'wb'格式打开'./'+bid+'/'+fileName，将对象命名为f
f
.
write
(
req
.
content
)
#对f采用write方法，写入req.content的内容
except
Exception
as
e
:
#异常处理
print
(
e
)
#打印异常
print
(
'Fail to download: '
+
did
+
' '
+
u
)
#打印'Fail to download: '+did+' '+u
count
+=
1
#count自加1
if
__name__
==
'__main__'
:
#当做模块导入时，__name__不等于__main__，将不运行以下内容
#直接运行时，__name__==__main__，运行以下内容
if
(
len
(
sys
.
argv
)
<
2
)
:
#不给uid参数，打印信息，并直接退出，这方式是在控制台给uid参数使用
print
(
'Please enter the bilibili user id.'
)
sys
.
exit
(
0
)
bid
=
str
(
sys
.
argv
[
1
]
)
#提取所给的uid参数
# Create drawer's directory #创建uid名的文件目录
try
:
os
.
makedirs
(
'./'
+
bid
)
except
:
pass
totalDraw
=
getTotalDraw
(
bid
)
#在getTotalDraw函数中传入bid参数，得到的结果返还给totalDraw变量
totalPage
=
int
(
totalDraw
/
30
)
+
1
if
totalDraw
%
30
!=
0
else
totalDraw
/
30
#如果totalDraw和30作取模运算，如果余数不等于0，将totalDraw除以30的结果取整后加1，否则直接除以30，最后将结果赋值给totalPage
for
page
in
range
(
totalPage
)
:
#进行for循环，数量为totalPage次
downloadDrawList
(
bid
,
page
)
#将bid和page参数，传入downloadDrawList函数
四、总结 ↶
其实没有什么实质性的东西，换一种方式写文章也挺有意思的。
点我回顶部 ☚
Fin.
